Finding the Fourth Proportional to 806,481.26, 1,209,725.06 and 326,718.14
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Solution
The fourth proportional to 806,481.26, 1,209,725.06 and 326,718.14 is: 490,078.49
Step by Step Solution
- Step 1: Write the proportion equation
806,481.26 : 1,209,725.06 = 326,718.14 : x - Step 2: Convert to fraction form
806,481.26/1,209,725.06 = 326,718.14/x - Step 3: Cross multiply
806,481.26x = 1,209,725.06 × 326,718.14 - Step 4: Simplify right side
806,481.26x = 395,239,121,514.59 - Step 5: Solve for x
x = 395,239,121,514.59/806,481.26 - Step 6: Final answer
x = 490,078.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.